Operation Iron Mountain

Operation Iron Mountain
Part of the Vietnam War
Date28 February 1969 – 28 February 1971
Location
Result US operational success
Belligerents
 United States  North Vietnam
Viet Cong
Units involved
11th Light Infantry Brigade 21st Regiment
403rd Sapper Battalion
40th Sapper Battalion
38th Local Force Battalion
Casualties and losses
440 killed US body count: 4,589 killed
137 captured

Operation Iron Mountain was a security operation during the Vietnam War in Quảng Ngãi Province, that took place from 28 February 1969 to 28 February 1971.